Abhay Singh Yadav

Strong Password

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Problem link: https://www.hackerrank.com/challenges/strong-password/problem Description: The website considers a password to be strong if it satisfies the following criteria: - Its length is at least - It contains at least one...

Left Rotation

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Problem description: `A left rotation operation on an array of size n shifts each of the array's elements 1 unit to the left. Given an integer, d, rotate the array...